{"image_url":"http://ecx.images-amazon.com/images/I/5186AWFoSXL.jpg","published":"2015-06-27 15:57:46","version":"1.0","provider_url":"https://hatena.blog","type":"rich","width":"100%","provider_name":"Hatena Blog","categories":["ruby"],"title":"\u30ea\u30c6\u30e9\u30eb\u7cfb\u8a18\u8ff0\u3092\u4f55\u5ea6\u3082\u547c\u3073\u51fa\u3059\u5834\u5408\u306fObject#freeze\u3067\u5b9a\u6570\u5316\u3057\u3066\u3057\u307e\u3046\u3068\u5e78\u305b\u306b\u306a\u308c\u308b","url":"https://shuzo-kino.hateblo.jp/entry/2015/06/27/155746","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshuzo-kino.hateblo.jp%2Fentry%2F2015%2F06%2F27%2F155746\" title=\"\u30ea\u30c6\u30e9\u30eb\u7cfb\u8a18\u8ff0\u3092\u4f55\u5ea6\u3082\u547c\u3073\u51fa\u3059\u5834\u5408\u306fObject#freeze\u3067\u5b9a\u6570\u5316\u3057\u3066\u3057\u307e\u3046\u3068\u5e78\u305b\u306b\u306a\u308c\u308b - Bye Bye Moore\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/shuzo_kino/","description":"%w\u30ea\u30c6\u30e9\u30eb\u306f\u5fae\u5999\u306b\u9045\u3044\u2026\uff1f - Bye Bye Mooreshuzo-kino.hateblo.jp \u4ee5\u524d\u66f8\u3044\u305f\u3053\u306e\u8a18\u4e8b\u3002\u901f\u5ea6\u9762\u3067\u306e\u6539\u5584\u3092\u56f3\u308a\u305f\u3044\u5834\u5408\u306fObject#freeze\u3067\u5b9a\u6570\u5316\u3057\u3066\u3057\u307e\u3046\u65b9\u6cd5\u304c\u6709\u52b9\u3067\u3059\u3002 \u4e00\u5ea6\u5b9a\u6570\u306b\u3057\u3066\u3057\u307e\u3048\u3070\u4e00\u3005\u518d\u751f\u6210\u3057\u306a\u3044\u306e\u3067GC\u306b\u3082\u901f\u5ea6\u306b\u3082\u512a\u3057\u304f\u306a\u308a\u307e\u3059\u3002 \u305f\u3081\u3057\u306b%w\u30ea\u30c6\u30e9\u30eb\u3067\u751f\u6210\u3057\u305f\u914d\u5217\u3092\u6587\u5b57\u5217\u5316\u3057\u3001\u5927\u6587\u5b57\u306b\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u30920xffff\u56de\u3076\u3093\u56de\u3059\u4e8b\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002 \u7d50\u679c\u306f str = %w(a b c).map(&:freeze).freeze result = Benchmark.realtime do 0xffff.times { str.to_s.up\u2026","blog_url":"https://shuzo-kino.hateblo.jp/","author_name":"shuzo_kino","blog_title":"Bye Bye Moore"}